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    SubjectRe: [BUG] 2.6.11-rc2 ALSA
    On Wed, 26 Jan 2005, Andrew Morton wrote:

    > Hello list,
    > after upgrading to 2.6.11-rc2 my soundcard doesn't work anymore:
    > I get this message during initialization of ALSA:
    > /usr/sbin/alsactl: set_control:805: warning: name mismatch (External
    > Amplifier/Headphone Jack Sense) for control #26
    > The soundcard is integrated on my thinkpad centrino notebook (R50), lspci
    > reports this:
    > Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
    > AC'97 Audio Controller (rev 01)
    > If I boot back to 2.6.10 the PCM control has the volume set to zero, but
    > readjusting it to a normal value brings everything back to normal.

    It's probably already fixed in our CVS and ALSA BK tree:

    revision 1.69
    date: 2005/01/17 13:47:20; author: tiwai; state: Exp; lines: +14 -2
    Summary: Fix silent output on some machines with AD1981x codecs

    Fixed the default state of "Headphone Jack Sense" switch on AD1981x
    codecs. Setting this on affects the output of some machines (e.g.

    The default value is set on only hardwares which are known to work.


    Jaroslav Kysela <>
    Linux Kernel Sound Maintainer
    ALSA Project, SUSE Labs
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